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What to know about "heat streaks"

Multiple days of high temperatures, also known as "heat streaks," seem to be occurring more frequently. CBS News Chicago meteorologist David Yeomans has more.
Jul 31, 2025 (02:50)

TRANSCRIPT FOR: “WHAT TO KNOW ABOUT "HEAT STREAKS," HEAT WAVES LASTING MULTIPLE CONSECUTIVE DAYS”

JO LING KENT:
00:01:50

So what's driving this? Is this climate change? And what can we expect in terms of where this trend is headed? Well, yes, climate change is behind this. And some people may say, well, the measurements being taken in big cities are hotter because of the urban heat island effect. But the rural areas surrounding those cities are warming at the same rate than the cities, which is a real reflection of global climate change. This really has an impact, really widespread. Ever since the 1800s is when it started, when we started burning fossil fuels for energy and transportation. We're artificially thickening the invisible blanket, if you will, that surrounds the Earth, the greenhouse effect that traps more heat and warms global temperatures. If these trends continue, stretches of hotter-than-normal weather are likely to get longer and more intense. But the worst effects of climate change can still be avoided by reducing how many greenhouse gases that we are putting into the atmosphere. That takes place by shifting to cleaner energy sources. Jo Ling.

JO LING KENT:
00:02:48

David Yeomans, thank you.

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